Family is the basic institution in a community. It is the primary group in which members are born, brought up, formed, trained and socialized to play various roles and functions in society. Family care is closely related to social work, social services and social care. Social workers are professionally trained to consider their clients as individuals, families, organizations, and communities that function within diverse environments. In many cases, the social worker also becomes a lawyer, which only emphasizes the interconnectedness of social care, family care and law. That is why the aim of this paper is to present the definitions of social work and its application in legal practice.